What is the 100th Day of School?

Celebrating the 100th Day of School

Children (7-12) sitting around table, having discussion, elevated view
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What is the 100th Day of School?

The 100th day of school is literally the 100th day of the school year. More importantly, it is a great way for elementary school teachers to celebrate the various mathematical concepts that can be taught using the number 100. From the very first day of school, classes begin keeping track of the number of days they've been in school in anticipation of the 100th day. It's this anticipation that is actually the first math lesson, as the days are often marked using coffee stirrers or Popsicle sticks, ten of which become a "ten bundle," paving the way to counting by tens and ones.

When is the 100th Day of School?

The 100th day of school will vary from school to school, depending on when school started and whether or not there were days off for teacher workshops or inclement weather. Most classes end up celebrating the 100th day of school sometime in February, usually right around Valentine's Day.

What Will my Child Do on the 100th Day of School?

There are hundreds of activities and lesson plans devoted to the 100th day of school and many books written to help celebrate the day. A few of the more common activities include:

  • Bringing in a collection of 100 items on that day.
  • Doing ten sets of ten different exercises (jumping jacks, sit-ups, etc.) as a way to learn the concept that ten sets of ten makes 100.
  • Exploring the differences in size, weight and length of different groups of a hundred. (For example, the weight of 100 pennies vs. the weight of 100 cotton balls.)
  • Writing about what you would do if you had 100 dollars, what you will look and feel like when you are 100 years old or creating a dictionary of 100 words you can read and write.
  • Putting together 100-piece puzzles.
  • Making patterns or necklaces using 100 beads or Fruit Loops.
  • Filling in a hundreds chart.

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